1.‘Arribada’ is a term related to which species?
[A] Snake
[B] Sea Turtle
[C] Frog
[D] Spider
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Explanation: Arribada is a term used to describe the mass migration of sea turtles, where large groups of females assemble at a nesting site on the beach. Recently, the Olive Ridley turtles have started laying eggs in the beach in this nesting season. The nesting season which usually begins in November was delayed by a few weeks this year, due to changes in climate conditions due to the cyclones Nivar and Burevi. ©navclasses
2.Which endangered animal has been cloned successfully in the USA recently?
[A] Black footed Ferret
[B] Whooping crane
[C] Blue Whale
[D] Snow Leopard
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Explanation: Scientists from the USA have successfully cloned Black Footed Ferret, an endangered species. This species is North America’s only native ferret. The cloned animal has been named Elizabeth Ann. The cloning has been successfully done using the cells of “Walla”, a black-footed ferret that lived more than 30 years ago. ©navclasses
3.What is the name of the forests that have reached great age and bear no visible signs of human activity?
[A] Old growth Forests
[B] Virgin Forests
[C] Community Forests
[D] Tropical Forests
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Explanation: Old growth forests or virgin forests are those forests that have reached great age and bear no visible signs of human activity. About one third of the world’s forest are old growth forests. A huge portion of them is in Russia, Brazil and Canada. The relatively undisturbed environment provided by these forests give rise to unique ecological features and are home to a range of wildlife species. ©navclasses
4.As per recent data, the population of which species has doubled in the Chilika lake?
[A] Dolphins
[B] Crocodiles
[C] Cat Fish
[D] Turtle
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Explanation: Chilika Lake is India’s largest brackish water lagoon, which is spread over the Puri, Khurda and Ganjam districts of Odisha. As per a recent data release by the State Forest and Environment Department, the number of dolphin populations in the lake has doubled this year compared with last year. The state’s Chilika lake is known for its Irrawady dolphins. ©navclasses
5.As per the Climate Action Tracker analysis, what would be the rise in global temperature by 2100?
[A] 0.5%
[B] 1.5%
[C] 2.4%
[D] 3.0%
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Explanation: The Climate Action Tracker analysis said that the world will warm by 2.4C by the year 2100. This is only 0.2C less than the temperature without global action. But the estimate is much higher than the 1.5C goal agreed under the Paris Agreement on climate change, signed in 2016. Its report also suggested that the 1.5C target is still possible, but it requires action from major nations. ©navclasses
6.Giant wood moth, the heaviest moth in the world, are typically found in which country?
[A] Japan
[B] India
[C] Australia
[D] China
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Explanation: Giant wood moth is the heaviest moth in the world, with the wingspan of about 23 cm. Their scientific name is ‘Endoxyla cinereus’ and they belong to the family of Cossidae. The moth is typically found in Australia and New Zealand. A giant moth with a wingspan measuring up to 25cm has been recently found at a Queensland school in Australia. They have an extremely short life cycle with only a few days. They die after mating and laying eggs. ©navclasses
7.An endemic trap-jaw ant species named ‘Strumigenys ayersthey’, has been found in which country?
[A] Ecuador
[B] China
[C] Italy
[D] France
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Explanation: A new and endemic trap-jaw ant species named ‘Strumigenys ayersthey’ has been discovered in Ecuador. The ant species can be distinguished by its smooth and shining cuticle surface and long trap-jaw mandibles. Ecuador is known for its highest animal and plant species diversity due to the three bio-regions present: The Amazon basin, the Chocó-Darién bioregion and the Tumbesian drylands. ©navclasses
8.Which of the following cyclones have formed in the Arabian Sea, in the past?
[A] Vardah
[B] Fani
[C] Gaja
[D] Nilofar
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Explanation: Nilofar is a very severe and intensified cyclone, which was formed in the year 2014 in Arabian Sea. Winds reached a maximum speed of close to 250 kmph, during the formation of the cyclone. Recently, Cyclone Tauktae has formed in the Arabian sea, which is expected to become a very severe storm and is expected to cross the coast of Gujarat. ©navclasses
9.As per the research by Aalto University, which condition would lead to fall in global food production by 1/3rd of the present levels?
[A] Greenhouse gas emission
[B] US / EU Protectionism
[C] USA – China Trade war
[D] El Niño
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Explanation: As per a recent research by Aalto University, the global food production would fall by more than /3rd of the present production levels in future, if there exists out-of-control growth of greenhouse gas emissions in the world. The research report has been published in the prestigious journal “One Earth” and presents a detailed analysis on the relationship between food production and greenhouse gases. ©navclasses
10.Which animal has recently resurfaced in India, in Mizoram’s Pualreng sanctuary, after a gap of 108 years?
[A] Snow leopard
[B] Hyena
[C] Yamuna Dolphins
[D] Doria’s foam-nesting treefrog
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Explanation: A team of zoologists belonging to Mizoram University have spotted Doria’s foam-nesting treefrog in the buffer area of Mizoram’s Pualreng Wildlife Sanctuary. This discovery was made by them in June 2020, which has now been published in a leading journal – Reptiles & Amphibians. This species has characters like changing skin shade and whipping up foam to protect eggs. It is believed that this frog has reappeared in India after 108 years. ©navclasses